Pay attention to downloading an important update at the end of March 2017.
Then the vegetation is also visible on the aircraft at Autochart Live
The Helix 5 CHIRP DI - GPS has besides the same fishfinder as the sonar (2D DualBeam 200/83 kHz 4000 watt)
Also available the unimaginable "photo" images of Down Imaging and a built-in GPS on board. Insert a Micro SD with a Navionics Gold card and navigation becomes a piece of cake.
Down Imaging, DualBeamPlus with SwitchFire. 455/200 kHz. Built-in GPS, only Micro SD card slot.
Autochart Live on the GPS combo models
With every passage more details Contours: AutoChart Live draws a map with the depth lines of your water, complete with depth figures while you sail the boat.
Soil hardness: The details continue. AutoChart Live determines the hardness of the soil.
Vegetation: Weed beds and water plants are mapped with AutoChart Live.
Side Imaging, Down Imaging, DualBeamPlus with SwitchFire. 455/200/83 kHz. Built-in GPS, only Micro SD card slot.
Complete with XNT-9-DI-T wall transducer